Possible Clues:

• Zeus' grandfather
• Third largest planet of the solar system
• What Oberon orbits
• God's city, once a star's retreat
• God from holy book — leader to overlook us
• Tour Iran, plus half the planet
• Managed university in America, part of the system we're in
• The Magician of Holst’s Planets suite
• For all to see, what FDR did for the world
• God in uniform was American president?